The DIALTONEMODE_ bit-flag constants describe different types of dial tones. A special dial tone typically carries a special meaning (as with message waiting).
Constant |
Description |
|---|---|
| LINEDIALTONEMODE_EXTERNAL | This is an external (public network) dial tone. |
| LINEDIALTONEMODE_INTERNAL | This is an internal dial tone, as within a PBX. |
| LINEDIALTONEMODE_NORMAL | This is a normal dial tone, which typically is a continuous tone. |
| LINEDIALTONEMODE_SPECIAL |
This is a special dial tone indicating that a certain condition (known by the switch or network) is currently in effect. Special dial tones typically use an interrupted tone. As with a normal dial tone, this indicates that the switch is ready to receive the number to be dialed. |
| LINEDIALTONEMODE_UNAVAIL |
The dial tone mode is unavailable and will not become known. |
| LINEDIALTONEMODE_UNKNOWN |
The dial tone mode is not currently known but may become known later. |
See Also
None.